COB-exact: the timeline comes 1:1 from the disassembled ARMEMP.COB. Doors open → frames extend → flaps open → closes in the compiled deactivation order.
00.4–4.5 s activatescr (4 stages of ~1035 ms), 5.8–8.2 s deactivatescr (4 stages: 607/614/610/612 ms).